qt, test: introduce FindInConsole function
qt, test: introduce FindInConsole function

Allows for regex searching into the console output.

MarcoFalke/bitcoin,kallewoof/bitcoin,domob1812/namecore,bitcoinsSG/bitcoin,fujicoin/fujicoin,fanquake/bitcoin,kallewoof/bitcoin,jamesob/bitcoin,mruddy/bitcoin,instagibbs/bitcoin,mruddy/bitcoin,instagibbs/bitcoin,tecnovert/particl-core,andreaskern/bitcoin,sipsorcery/bitcoin,jlopp/statoshi,namecoin/namecore,fujicoin/fujicoin,particl/particl-core,particl/particl-core,namecoin/namecore,bitcoinsSG/bitcoin,fujicoin/fujicoin,yenliangl/bitcoin,fujicoin/fujicoin,andreaskern/bitcoin,Xekyo/bitcoin,fanquake/bitcoin,tecnovert/particl-core,bitcoinsSG/bitcoin,namecoin/namecore,ajtowns/bitcoin,bitcoin/bitcoin,prusnak/bitcoin,bitcoinknots/bitcoin,achow101/bitcoin,instagibbs/bitcoin,kallewoof/bitcoin,lateminer/bitcoin,jambolo/bitcoin,mm-s/bitcoin,jlopp/statoshi,prusnak/bitcoin,domob1812/bitcoin,prusnak/bitcoin,dscotese/bitcoin,particl/particl-core,AkioNak/bitcoin,GroestlCoin/bitcoin,achow101/bitcoin,ajtowns/bitcoin,sstone/bitcoin,mm-s/bitcoin,andreaskern/bitcoin,namecoin/namecoin-core,domob1812/namecore,lateminer/bitcoin,mruddy/bitcoin,jamesob/bitcoin,fanquake/bitcoin,lateminer/bitcoin,ajtowns/bitcoin,AkioNak/bitcoin,jlopp/statoshi,fanquake/bitcoin,jambolo/bitcoin,jamesob/bitcoin,yenliangl/bitcoin,ajtowns/bitcoin,jambolo/bitcoin,sstone/bitcoin,pataquets/namecoin-core,jlopp/statoshi,bitcoin/bitcoin,lateminer/bitcoin,particl/particl-core,mm-s/bitcoin,GroestlCoin/GroestlCoin,jamesob/bitcoin,sipsorcery/bitcoin,MarcoFalke/bitcoin,anditto/bitcoin,jambolo/bitcoin,domob1812/bitcoin,lateminer/bitcoin,yenliangl/bitcoin,GroestlCoin/bitcoin,pataquets/namecoin-core,AkioNak/bitcoin,AkioNak/bitcoin,AkioNak/bitcoin,jlopp/statoshi,bitcoinknots/bitcoin,anditto/bitcoin,dscotese/bitcoin,achow101/bitcoin,mm-s/bitcoin,domob1812/namecore,fanquake/bitcoin,GroestlCoin/bitcoin,dscotese/bitcoin,yenliangl/bitcoin,bitcoin/bitcoin,jamesob/bitcoin,bitcoin/bitcoin,anditto/bitcoin,andreaskern/bitcoin,bitcoinknots/bitcoin,particl/particl-core,achow101/bitcoin,kallewoof/bitcoin,bitcoinknots/bitcoin,bitcoinsSG/bitcoin,prusnak/bitcoin,anditto/bitcoin,domob1812/namecore,namecoin/namecore,dscotese/bitcoin,GroestlCoin/bitcoin,domob1812/bitcoin,kallewoof/bitcoin,domob1812/bitcoin,Xekyo/bitcoin,domob1812/namecore,namecoin/namecoin-core,MarcoFalke/bitcoin,GroestlCoin/bitcoin,kallewoof/bitcoin,AkioNak/bitcoin,sipsorcery/bitcoin,jamesob/bitcoin,Xekyo/bitcoin,prusnak/bitcoin,instagibbs/bitcoin,tecnovert/particl-core,sipsorcery/bitcoin,sstone/bitcoin,namecoin/namecoin-core,prusnak/bitcoin,achow101/bitcoin,ajtowns/bitcoin,MarcoFalke/bitcoin,jambolo/bitcoin,bitcoinknots/bitcoin,namecoin/namecoin-core,Xekyo/bitcoin,instagibbs/bitcoin,bitcoinsSG/bitcoin,fanquake/bitcoin,fujicoin/fujicoin,MarcoFalke/bitcoin,ajtowns/bitcoin,namecoin/namecoin-core,mruddy/bitcoin,tecnovert/particl-core,mruddy/bitcoin,tecnovert/particl-core,namecoin/namecoin-core,fujicoin/fujicoin,domob1812/bitcoin,particl/particl-core,mm-s/bitcoin,namecoin/namecore,domob1812/bitcoin,pataquets/namecoin-core,domob1812/namecore,yenliangl/bitcoin,sstone/bitcoin,MarcoFalke/bitcoin,mm-s/bitcoin,yenliangl/bitcoin,Xekyo/bitcoin,sipsorcery/bitcoin,bitcoin/bitcoin,lateminer/bitcoin,GroestlCoin/bitcoin,andreaskern/bitcoin,pataquets/namecoin-core,pataquets/namecoin-core,dscotese/bitcoin,andreaskern/bitcoin,mruddy/bitcoin,sipsorcery/bitcoin,anditto/bitcoin,GroestlCoin/GroestlCoin,jlopp/statoshi,GroestlCoin/GroestlCoin,achow101/bitcoin,bitcoinsSG/bitcoin,dscotese/bitcoin,jambolo/bitcoin,instagibbs/bitcoin,namecoin/namecore,GroestlCoin/GroestlCoin,anditto/bitcoin,bitcoin/bitcoin,GroestlCoin/GroestlCoin,sstone/bitcoin,GroestlCoin/GroestlCoin,pataquets/namecoin-core,tecnovert/particl-core,Xekyo/bitcoin,sstone/bitcoin